Scampire, Priest of Urabrask, and Phyrexian Altar

Prerequisites

• Scampire on the battlefield
• Priest of Urabrask on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Phyrexian Altar by sacrificing Priest of Urabrask, adding
2. Activate Scampire by paying , returning Priest of Urabrask from your graveyard to the battlefield
3. When Priest of Urabrask enters the battlefield, it triggers, adding
4. Repeat

Results

• Infinite death triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers